Frost Dates for NIIGATA, Japan

Elevation: 1 m

Frost Dates

Last Spring Frost (50%) iA 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide. March 27
First Fall Frost (50%) iA 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. December 14
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30% Probability iOnly a 30% chance of frost remaining by this date. Use these dates for a safer planting window, especially for tender plants sensitive to cold.

Last Spring Frost April 2
First Fall Frost December 10

Hard Freeze (−2°C)

Last Spring Hard Freeze March 10
First Fall Hard Freeze December 19
37.95°N, 139.12°W © OpenStreetMap

Growing Season

262 Days March 27 to December 14

USDA Hardiness Zone iHardiness zones indicate which perennial plants can survive winter in your area. For annual vegetables, frost dates and growing season length matter more than hardiness zone.

Zone 9a

Avg. annual minimum: −7 to −4°C

Learn more

Köppen Climate iThe Köppen climate classification system categorizes climates based on temperature and precipitation patterns.

Cfa Humid Subtropical

Hot, humid summers and mild winters with rain year-round. Long growing seasons support a wide variety of vegetables, fruits, and ornamentals. The most common climate in the eastern US.

Köppen climate map

Temperature

-5° 5° 15° 25°
2°
High: 4°C
Avg: 2°C
Low: 0°C
Jan
2°
High: 4°C
Avg: 2°C
Low: -1°C
Feb
5°
High: 8°C
Avg: 5°C
Low: 2°C
Mar
10°
High: 14°C
Avg: 10°C
Low: 6°C
Apr
16°
High: 20°C
Avg: 16°C
Low: 12°C
May
20°
High: 23°C
Avg: 20°C
Low: 17°C
Jun
24°
High: 27°C
Avg: 24°C
Low: 21°C
Jul
25°
High: 28°C
Avg: 25°C
Low: 23°C
Aug
22°
High: 25°C
Avg: 22°C
Low: 19°C
Sep
16°
High: 19°C
Avg: 16°C
Low: 13°C
Oct
10°
High: 13°C
Avg: 10°C
Low: 7°C
Nov
5°
High: 7°C
Avg: 5°C
Low: 2°C
Dec
0°C
−2°C
Avg High Avg Temp Avg Low Light Frost (0°C) Hard Frost (−2°C)

Precipitation

0 mm 75 mm 150 mm 225 mm
213 mm
213.4 mm
Jan
142 mm
142.2 mm
Feb
142 mm
142.2 mm
Mar
114 mm
114.3 mm
Apr
124 mm
124.5 mm
May
163 mm
162.6 mm
Jun
269 mm
269.2 mm
Jul
185 mm
185.4 mm
Aug
155 mm
154.9 mm
Sep
175 mm
175.3 mm
Oct
183 mm
182.9 mm
Nov
221 mm
221.0 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9.5h10.5h11.5h13h14h14.5h14.5h13.5h12h11h10h9.5h
Jan: 7:11 AM – 4:49 PM · 9h 39m
Feb: 6:42 AM – 5:18 PM · 10h 35m
Mar: 6:09 AM – 5:51 PM · 11h 42m
Apr: 5:30 AM – 6:30 PM · 12h 59m
May: 4:58 AM – 7:02 PM · 14h 03m
Jun: 4:41 AM – 7:19 PM · 14h 37m
Jul: 4:48 AM – 7:12 PM · 14h 23m
Aug: 5:16 AM – 6:44 PM · 13h 28m
Sep: 5:53 AM – 6:07 PM · 12h 14m
Oct: 6:30 AM – 5:30 PM · 10h 59m
Nov: 7:03 AM – 4:57 PM · 9h 54m
Dec: 7:19 AM – 4:41 PM · 9h 23m
Daylight Longest: 14h 38m · Shortest: 9h 22m

Nearby Stations

AIKAWA, Japan March 12 - December 17 WAKAMATSU, Japan April 10 - November 26 SHONAI, Japan April 1 - December 10 YAMAGATA, Japan April 13 - November 18 TAKADA, Japan April 8 - November 27 SHIRAKAWA, Japan April 7 - November 19

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